Pen Recorders are still an indispensable tool for field technicians requiring on-the-spot printed reports during plant maintenance and troubleshooting. The Hioki PR8111 and PR8112 Pen Recorders are suited for applications where keeping analog records of measurement data are still required for complying with company standards. Key Features • Easily portable, compact size • Support for three power sources, can be powered with dry-cell batteries • Protection from dripping water and dust, ships with a drip-proof cover • Pen-based, records data reliably, easy enough for anyone to use